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Poonsap Ongwongsakul. [ม.ป.ป.]. Kinetics study of the production of ammonium sulfate from phosphogypsum. [ม.ป.ท.]:[ม.ป.พ.];
Poonsap Ongwongsakul. ([ม.ป.ป.]) Kinetics study of the production of ammonium sulfate from phosphogypsum. [ม.ป.พ.]:[ม.ป.ท.].
Poonsap Ongwongsakul. Kinetics study of the production of ammonium sulfate from phosphogypsum. [ม.ป.ท.]:[ม.ป.พ.], [ม.ป.ป.]. Print.
Poonsap Ongwongsakul. ([ม.ป.ป.]) Kinetics study of the production of ammonium sulfate from phosphogypsum. [ม.ป.พ.]:[ม.ป.ท.].
